CN217121714U

CN217121714U - Loose piece extractor

Info

Publication number: CN217121714U
Application number: CN202220736214.5U
Authority: CN
Inventors: 叶敏; 王德旭; 贺贤栋
Original assignee: NINGBO QUANLI MACHINERY MOLD CO Ltd
Current assignee: NINGBO QUANLI MACHINERY MOLD CO Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-05
Anticipated expiration: 2032-03-30

Abstract

The application discloses loose piece extractor is suitable for and to dismantle the connection loose piece, loose piece extractor is including taking out pole, slider and spout, the slider be suitable for set up in take out the pole front end or loose piece rear end, corresponding the spout is suitable for to set up in loose piece rear end or take out the pole front end, the slider is suitable for the business turn over the spout, just the slider with the spout cooperation is suitable for the restriction it is relative to take out the pole the axial displacement is followed to the loose piece take out pole rear end application of force is suitable for taking out the loose piece. The application has the advantages of simple and convenient operation and long service life.

Description

Loose piece extractor

Technical Field

The application relates to the technical field of mold casting, in particular to a loose piece extractor.

Background

When the inner cavity of a product has a complex shape, the loose core of the mold cannot be pulled out from one direction and needs to be pulled out from multiple directions, the mold structure used in the precision casting process is usually solved by adopting a mode of manufacturing a loose piece. However, when the casting is completed using the loose piece, the loose piece is not easily taken out directly because the loose piece has adhesion with the molded part.

Disclosure of Invention

It is an object of the present application to provide a loose piece extractor that is simple to operate and has a long service life.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: a loose piece extractor adapted to removably couple loose pieces, comprising:

the movable block extractor comprises a drawing rod, a sliding block and a sliding groove, the sliding block is suitable for being arranged at the front end of the drawing rod or the rear end of the movable block, the sliding groove is correspondingly suitable for being arranged at the rear end of the movable block or the front end of the drawing rod, the sliding block is suitable for entering and exiting the sliding groove, the sliding block and the sliding groove are matched and suitable for limiting the drawing rod to move along the axial direction, and force is applied to the rear end of the drawing rod to be suitable for being taken out of the movable block.

Preferably, at least one end of the sliding groove is provided with an opening, and the sliding block is suitable for entering and exiting the sliding groove through the opening. The structure is used for the sliding block to enter and exit the sliding groove.

As another preferred mode, the sliding groove and the cross section of the sliding block are of a matched T-shaped structure. The structure reliably ensures the simplicity of the sliding block entering and exiting the sliding groove and limits the axial displacement of the pull rod and the movable block.

Further, the thickness of slider is less than the degree of depth of spout, the slider with when the front end inner wall of spout touches, the slider with leave the space between the rear end inner wall of spout. The structure makes the loose piece more convenient to take out.

Furthermore, the sliding groove is transversely formed in the loose piece, the sliding block is suitable for transversely entering and exiting the sliding groove, and when the sliding block is arranged in the sliding groove, the loose piece extractor is suitable for keeping balance. The structure plays a stabilizing role.

Furthermore, the rear end of the drawing rod is provided with a knocking surface, the knocking surface is perpendicular to the axis of the drawing rod, and the knocking surface is suitable for driving the axial displacement of the drawing rod when being acted by an axial force. The above structure functions as a target of striking.

Furthermore, the rear end of the pulling rod is sleeved with a knocking block, and the front end face of the knocking block is the knocking face.

Further, the knocking block is suitable for sliding on the drawing rod, and a stop piece is fixedly arranged at the tail end of the drawing rod and is suitable for limiting the knocking block to be separated from the drawing rod. The structure reliably ensures the limit of the knocking block and the pulling rod.

As an implementation mode, the sliding groove is arranged at the rear end of the loose piece, the sliding block is arranged at the front end of the pulling rod, the sliding block is suitable for entering and exiting the sliding groove through an opening in the sliding groove, when the sliding block is arranged in the sliding groove, force is applied to the knocking block, and the pulling rod is suitable for driving the loose piece to move through the matching of the sliding block and the sliding groove.

As another embodiment, the sliding groove is arranged at the front end of the pulling rod, the sliding block is arranged at the rear end of the loose piece, the sliding block is suitable for entering and exiting the sliding groove through an opening in the sliding groove, when the sliding block is arranged in the sliding groove, force is applied to the knocking block, and the pulling rod is suitable for driving the loose piece to move through the matching of the sliding block and the sliding groove.

Compared with the prior art, the beneficial effect of this application lies in:

this application has adopted the cooperation of spout and slider, has solved the difficult problem of taking out of loose piece effectively, and the spout is equipped with the opening, and slider accessible opening business turn over spout has easy and simple to handle and long service life's advantage.

Drawings

FIG. 1 is a schematic structural view of a loose piece in operation;

FIG. 2 is a schematic cross-sectional view of a conventional loose piece extractor;

FIG. 3 is a schematic cross-sectional structure of a preferred embodiment of the present application;

FIG. 4 is a schematic structural diagram of a preferred embodiment of the present application;

FIG. 5 is a front view of a preferred embodiment of the present application;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 is a schematic structural view of a preferred embodiment of the present application in operation;

FIG. 8 is a front view of a variant embodiment of the present application;

fig. 9 is a partially enlarged view of fig. 8.

In the figure: 1. a chute; 11. an opening; 2. a slider; 3. drawing a rod; 4. knocking the block; 41. knocking the surface; 5. a stopper; 100. a workpiece; 200. a loose block; 1A, a threaded hole; 2A, external threads.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, when the cavity of the workpiece 100 has a complex shape, the mold core cannot be withdrawn from one direction, and the mold core needs to be withdrawn from multiple directions, the problem is usually solved by manufacturing the loose piece 200, after the workpiece 100 is molded, the loose piece 200 is manually withdrawn due to adhesion between the loose piece 200 and the molded part, but when the specification of the workpiece 100 is large, the loose piece 200 is located at a deep position of the workpiece 100, and a tool is needed to directly withdraw the loose piece.

As shown in fig. 2, in the conventional technical solution of the loose piece extractor, a threaded hole 1A is fixedly disposed at the rear end of the loose piece 200, an external thread 2A is fixedly disposed at the rear end of the pulling rod 3, and when the loose piece 200 is taken out, an operator manually completes the matching between the external thread 2A and the threaded hole 1A, so that the loose piece 200 is fixedly connected with the pulling rod 3, and applies a force at the rear end of the pulling rod 3, thereby taking out the loose piece 200.

Because in the traditional technical scheme of loose piece extractor, fixed mode is threaded connection, and when taking out loose piece 200, the mode of strikeing often comes to exert force to taking out pole 3, consequently leads to the screw thread to be impaired easily, and threaded connection's mode is comparatively troublesome.

Therefore, in order to improve the above problems, the present application is proposed, and as shown in fig. 3 to 7, a preferred embodiment of the present application includes:

the drawing rod 3, the sliding block 2 and the sliding groove 1 are arranged, the sliding block 2 is suitable for being arranged at the front end of the drawing rod 3, the corresponding sliding groove 1 is suitable for being arranged at the rear end of the movable block 200, the sliding block 2 is suitable for entering and exiting the sliding groove 1, the sliding block 2 and the sliding groove 1 are matched and suitable for limiting the axial displacement of the drawing rod 3 relative to the movable block 200, and force is applied to the rear end of the drawing rod 3 and suitable for taking out the movable block 200.

As shown in fig. 4 and 7, in this embodiment, at least one end of the chute 1 has an opening 11, the sliding block 2 is suitable for entering and exiting the chute 1 through the opening 11, so that an operator can conveniently hold the pulling rod 3 when taking out the loose piece 200, manually place the sliding block 2 in the chute 1, and after taking out the loose piece 200, take out the sliding block 2 from the chute 1 through the opening 11, separate the loose piece 200 from the extractor, and store the loose piece conveniently.

As shown in fig. 5-7, in this embodiment, the cross sections of the sliding chute 1 and the sliding block 2 are in a T-shaped structure, the sliding chute 1 of the T-shaped structure is disposed on the loose piece 200, the sliding block 2 and the pulling rod 3 form the T-shaped structure, the sliding chute 1 of the T-shaped structure is divided into an inner portion and an outer portion, the inner width is greater than that of the sliding block 2, so that the sliding block 2 can transversely enter and exit from the inner portion of the sliding chute 1 very conveniently, the outer width is smaller than that of the sliding block 2, so that the sliding block 2 cannot move through the outer portion of the sliding chute 1 in the axial direction, but the sliding block 2 of the T-shaped structure and the pulling rod 3 of the pulling rod 3 can pass through the outer portion of the sliding chute 1 and then enter the outer portion of the loose piece 200, so that a force is applied to the rear end of the pulling rod 3, and the loose piece 200 can be taken out through the matching of the sliding chute 1 and the sliding block 2.

In this embodiment, the thickness of the sliding block 2 is smaller than the depth of the sliding chute 1, and when the sliding block 2 contacts with the inner wall of the front end of the sliding chute 1, a gap is left between the sliding block 2 and the inner wall of the rear end of the sliding chute 1. Above-mentioned structure is used for on taking out pole 3 application of force after, makes things convenient for slider 2 to have the space of conversion kinetic energy, when slider 2 contacts with the rear end inner wall of spout 1, when slider 2 contacted with the inner wall of loose piece 200 promptly, slider 2 had certain kinetic energy for slider 2 compares the effort that direct contact just started the application of force bigger to the effort of loose piece 200, consequently more makes things convenient for loose piece 200 to break away from.

In this embodiment, the sliding groove 1 is transversely arranged on the movable block 200, the sliding block 2 is suitable for transversely entering and exiting the sliding groove 1, when the sliding block 2 is arranged in the sliding groove 1, the movable block extractor is suitable for keeping balance, and the transverse arrangement can reliably ensure that when the sliding block 2 is arranged in the sliding groove 1, the sliding block 2 cannot slide with the sliding groove 1 due to the gravity, so that the movable block extractor is convenient to keep balance.

As shown in fig. 3 to 7, in this embodiment, the rear end of the drawing rod 3 has a knocking surface 41, the knocking surface 41 is perpendicular to the axis of the drawing rod 3, when the knocking surface 41 is acted by an axial force, the knocking surface is suitable for driving the drawing rod 3 to axially displace, in the process of taking out the loose piece 200, in order to ensure the quality of a formed part, an operator can apply an axial force to the drawing rod 3 as much as possible, and it is ensured that the loose piece 200 cannot extrude parts on two sides in the taking-out process, therefore, the knocking surface 41 which is suitable for knocking and perpendicular to the axis of the drawing rod 3 is arranged on the knocking block 4, and the operator can apply an axial force to the knocking block 4 conveniently.

In the embodiment, the knocking block 4 is sleeved at the rear end of the drawing rod 3, the knocking surface 41 is an end surface of the knocking block 4, the knocking block 4 is suitable for sliding on the drawing rod 3, the tail end of the drawing rod 3 is fixedly provided with the stopping piece 5, and the stopping piece 5 is suitable for limiting the knocking block 4 to be separated from the drawing rod 3. In the embodiment, the stop piece 5 is selected from a nut, and other fixing modes such as an interference fit positioning ring and the like can be used; the knocking block 4 can slide on the pulling rod 3, a gap is reserved between the sliding block 2 and the sliding groove 1, the knocking block 4 slides to a position with a certain distance from the stop piece 5, then force is applied to the knocking block 4, the knocking block 4 starts to accelerate and then contacts the stop piece 5 to bring impact force to the stop piece 5, compared with the situation that the knocking block 4 is directly contacted with the stop piece 5 when being stressed, the impact force to the stop piece 5 is larger, and the movable block 200 can be conveniently taken out.

As shown in fig. 8 and fig. 9, as a modified example of the above preferred embodiment, the sliding groove 1 is opened at the front end of the pulling rod 3, the sliding block 2 is arranged at the rear end of the loose piece 200, the sliding block 2 is suitable for entering and exiting the sliding groove 1 through the opening 11 on the sliding groove 1, when the sliding block 2 is arranged in the sliding groove 1, a force is applied on the knocking block 4, the pulling rod 3 is suitable for driving the loose piece 200 to move through the cooperation of the sliding block 2 and the sliding groove 1,

in this embodiment, slider 2 and the partly T type structure that constitutes that loose piece 200 extends, 3 front ends are seted up in taking out pole to spout 1 of T type structure, spout 1 of T type structure is divided into inside and outside two parts, inside width is greater than slider 2, make slider 2 can be very convenient inside of horizontal business turn over spout 1, outside width is less than slider 2, make slider 2 can' T shift through the outside of spout 1 on the axial direction, loose piece 200 extends the outside that can pass spout 1 and is connected with slider 2, consequently, the application of force on taking out pole 3 rear end, can take out loose piece 200 through the cooperation of spout 1 and slider 2.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a loose piece extractor, is suitable for can dismantling and connects the loose piece which characterized in that: the movable block extractor comprises a drawing rod, a sliding block and a sliding groove, the sliding block is suitable for being arranged at the front end of the drawing rod or the rear end of the movable block, the sliding groove is correspondingly suitable for being arranged at the rear end of the movable block or the front end of the drawing rod, the sliding block is suitable for entering and exiting the sliding groove, the sliding block and the sliding groove are matched and suitable for limiting the drawing rod to move along the axial direction, and force is applied to the rear end of the drawing rod to be suitable for being taken out of the movable block.

2. The loose piece extractor of claim 1, further comprising: at least one end of the sliding groove is provided with an opening, and the sliding block is suitable for entering and exiting the sliding groove through the opening.

3. The loose piece extractor of claim 2, further comprising: the sliding groove and the cross section of the sliding block are of a T-shaped structure matched with each other.

4. The loose piece extractor of claim 3, further comprising: the thickness of slider is less than the degree of depth of spout, just the slider with when the front end inner wall of spout touches, the slider with leave the space between the rear end inner wall of spout.

5. The loose piece extractor of claim 1, further comprising: the sliding groove is transversely arranged on the loose piece, the sliding block is suitable for transversely entering and exiting the sliding groove, and when the sliding block is arranged in the sliding groove, the loose piece extractor is suitable for keeping balance.

6. The loose piece extractor of claim 1, further comprising: the rear end of the drawing rod is provided with a knocking surface, the knocking surface is perpendicular to the axis of the drawing rod, and the knocking surface is suitable for driving the axial displacement of the drawing rod when being acted by an axial direction force.

7. The loose piece extractor of claim 6, further comprising: the rear end of the drawing rod is sleeved with a knocking block, and the front end face of the knocking block is the knocking face.

8. The loose piece extractor of claim 7, further comprising: the knocking block is suitable for sliding on the drawing rod, a stop piece is fixedly arranged at the tail end of the drawing rod, and the stop piece is suitable for limiting the knocking block to be separated from the drawing rod.

9. The loose piece extractor of claim 7, further comprising: the sliding groove is formed in the rear end of the loose piece, the sliding block is arranged at the front end of the drawing rod, the sliding block is suitable for entering and exiting the sliding groove through an opening in the sliding groove, when the sliding block is arranged in the sliding groove, force is applied to the knocking block, and the drawing rod is suitable for driving the loose piece to move through the matching of the sliding block and the sliding groove.

10. The loose piece extractor of claim 7, further comprising: the sliding groove is formed in the front end of the pulling rod, the sliding block is arranged at the rear end of the movable block, the sliding block is suitable for passing through an opening in the sliding groove to enter and exit the sliding groove, the sliding block applies force on the knocking block when arranged in the sliding groove, and the pulling rod is suitable for passing through the sliding block and the sliding groove to be matched to drive the movable block to move.